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AMC3311-Q1

現行

具有整合式 DC/DC 轉換器的車用、0 至 2-V 輸入、精密強化型隔離式放大器

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產品規格表

AMC3311-Q1

現行
產品規格表 立即訂購

產品詳細資料

Device type Voltage sensing Peak-to-peak input voltage range (V) 2 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 4250 Working isolation voltage (VIOWM) (Vrms) 1200 Transient isolation voltage (VIOTM) (VPK) 6000 CMTI (min) (kV/µs) 75 Input offset (±) (max) (V) 0.0002 Input offset drift (±) (typ) (µV/°C) 5 Rating Automotive Operating temperature range (°C) -40 to 125
Device type Voltage sensing Peak-to-peak input voltage range (V) 2 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 4250 Working isolation voltage (VIOWM) (Vrms) 1200 Transient isolation voltage (VIOTM) (VPK) 6000 CMTI (min) (kV/µs) 75 Input offset (±) (max) (V) 0.0002 Input offset drift (±) (typ) (µV/°C) 5 Rating Automotive Operating temperature range (°C) -40 to 125
SO-MOD (DWE) 16 106.09 mm² 10.3 x 10.3
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, T A
  • Single-supply operation (3.3 V or 5 V) with integrated DC/DC converter
  • Input voltage range (2 V) optimized for voltage measurements with high input impedance
  • Fixed gain: 1.0
  • Low DC errors:
    • Offset error: ±1 mV (max)
    • Offset drift: ±10 µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain drift: ±40 ppm/°C (max)
    • Nonlinearity: ±0.02% (max)
  • High CMTI: 85 kV/µs (min)
  • System-level diagnostic features
  • Meets CISPR-11 and CISPR-25 EMI standards
  • Safety-related certifications:
    • 6000-V PK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 4250-V RMS isolation for 1 minute per UL1577
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, T A
  • Single-supply operation (3.3 V or 5 V) with integrated DC/DC converter
  • Input voltage range (2 V) optimized for voltage measurements with high input impedance
  • Fixed gain: 1.0
  • Low DC errors:
    • Offset error: ±1 mV (max)
    • Offset drift: ±10 µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain drift: ±40 ppm/°C (max)
    • Nonlinearity: ±0.02% (max)
  • High CMTI: 85 kV/µs (min)
  • System-level diagnostic features
  • Meets CISPR-11 and CISPR-25 EMI standards
  • Safety-related certifications:
    • 6000-V PK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 4250-V RMS isolation for 1 minute per UL1577

The AMC3311-Q1 is a precision, isolated amplifier with a fully integrated, isolated DC/DC converter that allows single-supply operation from the low-side of the device. The reinforced capacitive isolation barrier is highly resistant to magnetic interference, is certified according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577, and supports a working voltage of up to 1200 V RMS.

The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-voltage side from voltage levels that can cause electrical damage and are potentially harmful to an operator.

The input of the AMC3311-Q1 is optimized for direct connection to high-impedance resistive dividers that are typically used for sensing high voltages. The integrated isolated DC/DC converter allows measurement of non-ground-referenced signals and makes the device a unique solution for noisy, space-constrained applications. The high DC accuracy and low temperature drift support accurate voltage monitoring and control.

The AMC3311-Q1 is offered in a wide-body, 16-pin SOIC package, and is specified over the temperature range of –40°C to +125°C.

The AMC3311-Q1 is a precision, isolated amplifier with a fully integrated, isolated DC/DC converter that allows single-supply operation from the low-side of the device. The reinforced capacitive isolation barrier is highly resistant to magnetic interference, is certified according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577, and supports a working voltage of up to 1200 V RMS.

The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-voltage side from voltage levels that can cause electrical damage and are potentially harmful to an operator.

The input of the AMC3311-Q1 is optimized for direct connection to high-impedance resistive dividers that are typically used for sensing high voltages. The integrated isolated DC/DC converter allows measurement of non-ground-referenced signals and makes the device a unique solution for noisy, space-constrained applications. The high DC accuracy and low temperature drift support accurate voltage monitoring and control.

The AMC3311-Q1 is offered in a wide-body, 16-pin SOIC package, and is specified over the temperature range of –40°C to +125°C.
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類型 標題 日期
* Data sheet AMC3311-Q1 Automotive, Precision, 2-V Input, Reinforced Isolated Amplifier With Integrated DC/DC Converter datasheet (Rev. A) PDF | HTML 2023年 8月 10日
Application brief Utilizing AMC3311 to Power AMC23C11 for Isolated Sensing and Fault Detection PDF | HTML 2023年 11月 9日
Application brief Shunt Resistor Selection for Isolated Data Converters PDF | HTML 2023年 5月 4日

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AMC3311 TINA-TI Spice Model

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參考設計

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此參考設計描述了一款具有 650V 氮化鎵 (GaN) 高電子移動率電晶體 (HEMT) 的 3.5kW 高電壓至低電壓 DC-DC 轉換器。使用 LMG3522R030 作為一次側開關可使轉換器在高切換頻率下工作。在此設計中，轉換器使用較小尺寸的變壓器。為了緩解主動箝位金屬氧化物半導體場效應電晶體 (MOSFET) 的熱性能，該轉換器使用雙通道主動箝位電路。
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